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TIMING MARKS ON CAMSHAFT SPROCKET A LITTLE SMALL SQUARE MARK ON TOP BOTH GEAR SPROCKETS ON CAMSHAFTS TIMING MARKS SHOULD BE IN THE 12 OCLOCK POSITION BOTH CAMSHAFT TIMING MARKS SHOULD BE LINED UP WITH TIMING MARKS REAR OF TIMING MARKS ON TOP OF CAMSHAFT SPROCKET HOUSING. IF STILL HAVING TROUBLE WITH FINDING THE TIMING MARKS.YOU NEED A HAYNES REPAIR MANUAL.

Rotate the crank so the mark on the sprocket is at the 5 o'clock position

Assemble chain to the intake camshaft sprocket alignment copper link to the "INT" diamond timing mark on the camshaft sprocket

NOTE: When lowering the timing chain rotate the assembly 90° to allow the chain to fall between the cylinder block bosses then rotate the assembly back so the camshaft sprocket is facing forward.

Lower the assembly through the chain housing opening on top of the cylinder head. Use care to ensure that the chain goes around both sides of the cylinder block bosses
NOTE: The crankshaft sprocket timing mark will be at approximately the 5 o'clock position.

Route chain around crankshaft sprocket and align silver link to the timing mark

NOTE: The camshaft sprocket bolts are not reusable; they are torque-to-yield and must be discarded to prevent premature failure.

Install or connect the following:

Intake camshaft sprocket loosely onto the intake camshaft then install the new camshaft sprocket bolt finger tight
NOTE: It is not necessary to align the sprocket-to-camshaft offset notch at this time.

Adjustable timing chain guide through the opening on top of the cylinder head then install the chain guide bolt; torque to 89 lb-in. (10 Nm)

Exhaust camshaft sprocket loosely onto the exhaust camshaft with the timing mark on the sprocket aligned with the silver link then install a new camshaft sprocket bolt finger tight

NOTE: It is not necessary to align the sprocket-to-camshaft offset notch at this time.NOTE: The camshaft sprocket bolts are not reusable; they are torque-to-yield and must be discarded to prevent premature failure.

Align the camshaft sprocket-to-camshaft then tighten the camshaft bolt using the following procedure:

NOTE: Do not rotate either camshaft more than 1/2 turn in either direction with the crankshaft at Top Dead Center (TDC). To do so may cause valve to piston contact resulting in a damaged valve and/or a damaged piston.

Ensure that the sprocket timing mark is at the 5 o'clock position

Rotate the intake camshaft using a 24mm wrench on the flats of the camshaft until the sprocket-to-camshaft alignment notch seats

When the sprocket seats on the camshaft tighten the sprocket bolt finger tight

Rotate exhaust camshaft using a 24mm wrench on the flats of the camshaft until the sprocket-to-camshaft alignment notch seats

When the sprocket seats on the camshaft tighten the sprocket bolt finger tight

Verify that all colored links are aligned with the appropriate marks on the camshaft and crankshaft sprockets
NOTE: If they are not repeat steps 1C through 4.

Install upper timing chain guide and bolts; torque to 89 lb-in. (10 Nm)NOTE: Use a 24mm wrench to support the camshaft while applying torque to the camshaft sprocket bolt. Do not torque the camshaft bolts against the timing chain as it may damage the timing chain.

I Show Only a 3.2L For this Year this Will Guide you Enjoy your Work RejakWilson

REMOVAL

CAUTION: The following procedure can only be used when the camshaft sprockets HAVE NOT BEEN LOOSENED or removed from the camshafts. Refer to Camshaft Gear/Sprocket and Timing Components, if sprocket(s) or camshaft(s) have been loosened or removed.

CAUTION: The 3.2/3.5L are NOT freewheeling engines. Therefore, care should be taken not to rotate the camshafts or crankshaft with the timing belt removed.

Disconnect negative cable from remote jumper terminal.

Remove upper radiator crossmember.

Disconnect fan module electrical connector.

Remove cooling fan module and accessory drive belts.

Remove crankshaft damper and front timing belt covers.

Mark belt running direction, if timing belt is to be reused.

CAUTION: When aligning timing marks, always rotate engine by turning the crankshaft. Failure to do so will result in valve and/or piston damage.

Fig. 94

Rotate engine clockwise until crankshaft mark aligns with the TDC mark on oil pump housing and the camshaft sprocket timing marks are between the marks on the rear covers (Fig. 94).

CAUTION: Align the camshaft sprockets between the marks on rear belt covers before timing belt removal or damage to valve and/or pistons could occur.

Using a ink or paint marker; mark the exact position of the camshaft sprocket timing mark relative to the two timing marks on the rear timing cover.

NOTE: When timing belt tensioner is removed from engine, always store in the vertical (plunger facing upward) position

Fig. 95

Remove the timing belt tensioner (Fig. 95) and remove timing belt.

TIMING BELT TENSIONER

When tensioner is removed from the engine it is necessary to compress the plunger into the tensioner body.

CAUTION: Compress the tensioner slowly, as damage to tensioner could result.

Fig. 96

Place the tensioner into a vise and SLOWLY compress the plunger (Fig. 96). Total bleed down of tensioner should take about 5 minutes.

CAUTION: Index the tensioner in the vise the same way it is installed on the engine. This is to ensure proper pin orientation when tensioner is installed on the engine.

When plunger is compressed into the tensioner body install a pin through the body and plunger to retain plunger in place until tensioner is installed.

CAUTION: This procedure can only be used when the camshaft sprockets HAVE NOT BEEN LOOSENED or removed from the camshafts.

CAUTION: If camshafts have moved from the timing marks, always rotate camshaft towards the direction nearest to the timing marks (DO NOT TURN CAMSHAFTS A FULL REVOLUTION OR DAMAGE to valves and/or pistons could result).

Align the camshaft sprockets (to reference mark made upon removal) between the marks on the rear covers (Fig. 94).

Install the timing belt starting at the crankshaft sprocket going in a counterclockwise direction (Fig. 97). Install the belt around the last sprocket. Maintain tension on the belt as it is positioned around the tensioner pulley.

Holding the tensioner pulley against the belt, Install the tensioner into the housing and tighten to 28 Nm (250 in. lbs.) . Each camshaft sprocket mark should still fall between the cover marks.

When tensioner is in place pull retaining pin to allow the tensioner to extend to the pulley bracket.

Rotate crankshaft sprocket 2 revolutions and check the timing marks on the camshafts and crankshaft. The marks should line up within their respective locations (Fig. 97). If marks do not line up, repeat procedure.

Install timing belt covers and crankshaft damper.

Install accessory drive belts and cooling fan module.

Install upper radiator crossmember.

Connect negative cable to remote jumper terminal.

Start engine and allow to idle for approximately 1 minute. If a noise is present from the timing belt/tensioner, air has possibly entered the tensioner.

To remove air from tensioner; using a DRB III, operate the engine at speed of 1600-2000 RPM for 10 minutes. This will purge air from tensioner.

NOTE: If air is present, the timing belt tensioner will be soft and may generate noise. This noise should disappear after no more than 15 minutes of engine running time.

Position lower end of left (inner) timing chain on the crankshaft sprocket. Align the copper (or marked) chain link with the timing mark on the outer flange of the crankshaft pulley.
NOTE: Upper half of timing chain must be below the tensioner arm dowel.

Position the left timing chain on the camshaft sprocket. The timing mark on the camshaft sprocket must be aligned between the 2 copper (or marked) chain links.
Left camshaft sprocket timing mark

Place the left timing chain tensioner arm on the dowel pin and install the timing chain tensioner and bolts. Tighten bolts to 18 ft-lbs (25 Nm).NOTE: Lower half of timing chain must be above the tensioner arm dowel.
Crankshaft sprocket timing mark

Position lower end of right (outer) timing chain on the crankshaft sprocket. Align the copper (or marked) chain link with the timing mark on the outer flange of the crankshaft pulley.
Right camshaft sprocket timing mark

Position the right timing chain on the camshaft sprocket. The timing mark on the camshaft sprocket must be aligned between the 2 copper (or marked) chain links.

Place the right timing chain tensioner arm on the dowel pin and install the timing chain tensioner and bolts. Tighten bolts to 18 ft-lbs (25 Nm).

Remove the retaining clips from the right and left timing chain tensioners.

Install the balance shaft bearing caps in their original locations. Follow the tightening sequence as shown in the illustration. Tighten bolts to 89 in-lbs (10 Nm).

Tighten the camshaft phaser sprocket bolts in the correct sequence using 2 steps, as follows:

Step 1-30 ft-lbs (40 Nm)

Step 2-tighten an additional90 degrees

Position the crankshaft keyway in the 11 o'clock position.

Lubricate and install all camshaft roller followers.
WARNINGEngine front cover replacement procedure must be completed within 4 minutes or entire procedure must be repeated. Failure to do so may result in future leaks

Ensure that the timing belt rotation arrows are still visible. If the marks are worn off, place new rotation marks on the belt.
Timing belt alignment marks DOHC

Turn the crankshaft using a breaker bar and special adapter socket on the crankshaft. Align the timing mark on the crankshaft sprocket (1), left intake sprocket (2), left exhaust sprocket (3), right intake sprocket (4) and right exhaust sprocket (5) with the notches in cylinder block and timing belt cover.

Paint alignment marks on the timing belt at the crankshaft and camshaft sprockets timing marks.
CAUTIONDo not turn the camshaft sprockets with the timing belt removed. The valves heads will contact each other causing the valve stems to bend.

Remove the lower right idler pulley.

Remove the timing belt.

Remove the upper right idler pulley.

Remove the lower left (toothed) idler pulley.

Remove the belt tensioner.

Hold the sprocket and remove the left intake and exhaust camshafts.

Hold the sprocket and remove the right intake and exhaust camshafts.

Remove the crankshaft sprocket.

To Install:

Install the crankshaft sprocket.

Hold the sprocket and install the right intake and exhaust camshafts with the mounting bolts. Tighten 58 ft-lb (78 Nm).

Hold the sprocket and install the left intake and exhaust camshafts with the mounting bolts. Tighten 58 ft-lb (78 Nm).

Reset the automatic belt tensioner as follows:

Remove the mounting bolt and belt tensioner.
NOTE: Do not exceed more than 2,205 lb. (9,807 N).

Place the belt tensioner on a press. Press the adjuster rod down gradually (using more than 3 minutes) 66- lb (165 N) or more until the adjuster rod is aligned with the stop pin hole in the cylinder.

Insert a 0.08 in (2 mm) diameter pin or hex wrench into the pin hole to lock the adjuster rod.

Align the timing mark on the crankshaft sprocket with the mark on the oil pump cover.
Timing belt alignment marks DOHC

Align the single timing mark on the right exhaust camshaft sprocket with the notch on the timing belt cover.

When the single timing mark on the right exhaust camshaft sprocket is aligned with the notch on the timing belt cover, ensure that the double lines on the intake camshaft and exhaust camshaft sprockets are aligned.

Align the single timing mark on the left exhaust camshaft sprocket with the notch on the timing belt cover by turning the sprocket counter clockwise (viewed from front of engine).

Ensure that the double lines on the intake camshaft and exhaust camshaft sprockets are aligned when the single timing mark on the left exhaust camshaft sprocket is aligned with the notch on the timing belt cover.
CAUTION

The camshafts can be rotated independently causing the valves heads to contact each other resulting in bent valve stems.

When the timing belt is removed the camshafts will turn to the lowest cam lobe position by the force of the valve springs. Before installing the timing belt the 4 camshafts are in the lowest lift position (valves closed).

When the camshafts are rotated to install the timing belts, # 2 intake and # 4 exhaust cam lobes of the left camshafts are held to push their corresponding valves down. In this position, these valves are held in the open position. Right camshafts are held so their cam lobes do not push the valves down.

The left camshafts must be rotated from the lowest lobe position to the position where the timing belt can be installed at the smallest possible angle in order to prevent intake and exhaust valve contact.
Camshaft sprockets rotation

Do not turn the camshafts in the direction shown in the illustration because the valves will open at the same time and contact each other.

CAUTIONIf the timing belt alignment is off the mark buy more than 3 teeth, the valves and pistons may have contact.
Timing belt alignment marks DOHC

Align the timing marks on the belt with the marks on the sprockets in the numerical order shown in the illustration.

Rotate the crankshaft until the sprocket timing marks are aligned. The crankshaft sprocket timing mark should align with the oil pump timing mark. The rear camshaft sprocket timing mark should align with the generator bracket timing mark and the front camshaft sprocket timing mark should align with the inner timing belt cover timing mark.

If the belt is to be reused, mark the direction of rotation on the belt for installation reference.
Mark the direction of travel for the timing belt for correct installation

Loosen the timing belt tensioner bolt and remove the timing belt.

If necessary, remove the timing belt tensioner.
Turn the center tensioner pulley bolt until the timing belt has enough slack . . .
. . . then slide the timing belt off of the camshaft sprockets

Remove the crankshaft sprocket flange shield and crankshaft sprocket.

Hold the camshaft sprocket using spanner tool MB990775 or equivalent, and remove the camshaft sprocket bolt and washer. Remove the camshaft sprocket.

To Install:

Install the camshaft sprocket on the camshaft with the retaining bolt and washer. Hold the camshaft sprocket using spanner tool MB990775 or equivalent, and tighten the bolt to 70 ft. lbs. (95 Nm).

Install the crankshaft sprocket.

If removed, install the timing belt tensioner and tensioner spring. Hook the spring upper end to the water pump pin and the lower end to the tensioner bracket with the hook out.

Turn the timing belt tensioner counterclockwise full travel in the adjustment slot and tighten the bolt to temporarily hold it in this position.

Rotate the crankshaft sprocket until its timing mark is aligned with the oil pump timing mark.

Rotate the rear camshaft sprocket until its timing mark is aligned with the timing mark on the generator bracket.

Rotate the front (radiator side) camshaft sprocket until its mark is aligned with the timing mark on the inner timing belt cover.

Install the timing belt on the crankshaft sprocket while keeping the belt tight on the tension side.
NOTE: If the original belt is being reused, be sure to install it in the same rotational direction.

Position the timing belt over the front camshaft sprocket (radiator side). Next, position the belt under the water pump pulley, then over the rear camshaft sprocket and finally over the tensioner.
CAUTIONIf any binding is felt when adjusting the timing belt tension by turning the crankshaft, STOP turning the engine, because the pistons may be hitting the valves.
Rent or borrow the special tool to hold the camshaft sprockets steady . . .
. . . while loosening the center retaining bolt on the camshaft pulley, then . . .
. . . remove the camshaft sprocket from the end of the camshaft
Timing belt tensioner and spring positions
Timing belt routing and timing mark locations

Apply rotating force in the opposite direction to the front camshaft sprocket (radiator side) to create tension on the timing belt tension side. Check that all timing marks are aligned.

Install the crankshaft sprocket flange.

Loosen the tensioner bolt and allow the tensioner spring to tension the belt.

Rotate the crankshaft two full turns in a clockwise direction. Turn the crankshaft smoothly and in a clockwise direction only.

Again line up the timing marks. If all marks are aligned, tighten the tensioner bolt to 250 in. lbs. (28 Nm). Otherwise repeat the installation procedure.

Belt covers need to be on. Timing mark on crankshaft (while on compression stroke) should line up with TDC mark on cover. then Camshaft mark, needs to line up by looking through access hole of cover, and align mark on cam sprocket with pointer on inside of belt cover.